$def with (private_data)
<meta http-equiv="Content-Type" content="text/html" charset=utf-8/>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>管理后台</title>
<!-- Tell the browser to be responsive to screen width -->
<link rel="shortcut icon" href="$static_url('images/favicon.ico')"
      type="text/css">
<meta name="viewport"
      content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
<!-- Font Awesome -->
<link rel="stylesheet"
      href="$static_url('lib/AdminLTE/plugins/fontawesome-free/css/all.min.css')">
<!-- Ionicons -->
<link rel="stylesheet"
      href="https://code.ionicframework.com/ionicons/2.0.1/css/ionicons.min.css')">
<!-- Tempusdominus Bbootstrap 4 -->
<link rel="stylesheet"
      href="$static_url('lib/AdminLTE/plugins/tempusdominus-bootstrap-4/css/tempusdominus-bootstrap-4.min.css')">
<!-- iCheck -->
<link rel="stylesheet"
      href="$static_url('lib/AdminLTE/plugins/icheck-bootstrap/icheck-bootstrap.min.css')">
<!-- JQVMap -->
<link rel="stylesheet"
      href="$static_url('lib/AdminLTE/plugins/jqvmap/jqvmap.min.css')">
<!-- Theme style -->
<link rel="stylesheet"
      href="$static_url('lib/AdminLTE/dist/css/adminlte.min.css')">
<!-- overlayScrollbars -->
<link rel="stylesheet"
      href="$static_url('lib/AdminLTE/plugins/overlayScrollbars/css/OverlayScrollbars.min.css')">
<!-- Daterange picker -->
<link rel="stylesheet"
      href="$static_url('lib/AdminLTE/plugins/daterangepicker/daterangepicker.css')">
<!-- summernote -->
<link rel="stylesheet"
      href="$static_url('lib/AdminLTE/plugins/summernote/summernote-bs4.css')">
<!-- Google Font: Source Sans Pro -->
<link href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,400i,700"
      rel="stylesheet">

